Microsoft Pushes Windows 10 Insider Preview Build 21364 to Dev Channel Windows Insiders

Windows 10

Microsoft has rolled out Windows 10 Insider Preview Build 21364 to Windows Insiders in the Dev Channel. After the installation of Windows 10 Insider Preview Build 21364, you will be able to run Linux GUI applications directly on Windows with the help of the first preview of GUI app support on the Windows Subsystem for Linux. It is to be noted that the Windows Subsystem for Linux ships with the first preview of support for GUI applications. You can run your favourite GUI editors, tools, and applications to build, test, develop and run your Linux apps.

The Windows 10 product team has established a partnership with the Microsoft Edge team to support process classification in Task Manager. This feature will enable users to identify resource consumption under Microsoft Edge. The classification is broken down to several components such as Tabs, browser processes, utility plugins including dedicated and service workers.

The separate icons are available for each proceeds to enable you to identify favicon for website. However, this feature is available only to those Windows Insiders who are running the latest Microsoft Edge Canary or Dev builds. This functionality will be available only to a small subset of Windows Insiders in the Dev Channel, to begin with. The purpose is to identify issues that could impact performance and reliability.

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The Windows 10 Insider Preview Build 21364 brings in Eco mode in Task Manager. With the help of the Eco mode, you will be able to throttle process resources. The mode will help you to identify apps that are already running in Eco mode. The feature will be helpful if you would like to limit the consumption of those apps that are consuming high resources. The system gives priority to other apps, which will ultimately enable faster foreground responsiveness and enhanced energy efficiency.

You need to open Task Manager and click on the Processes tab. The next step is to right-click on a child process or an individual process. You should then click on Eco mode in the context menu to apply throttling. The status column in the Processes tab should show Eco mode for the process. Moreover, the same process also works on the Details tab as well. You can easily expand the process tree to apply Eco mode on one of its child processes.

If Microsoft Edge or Google Chrome is displaying Eco mode as enabled and if you did not apply the mode, then the reason is due to the fact that both Microsoft Edge and Chrome experimenting with lowering base priority. The power efficiency APIs will also be applied to enhance performance. The Eco Mode feature is rolling out to a small subset of Windows Insiders in the Dev Channel to identify potential issues.

The Windows 10 Insider Preview Build 21364 has introduced a new touch keyboard layout for the Japanese 50 on-touch keyboard. The 50-on touch keyboard is a popular layout used for Kiosk devices in Japan. You will be able to input Japanese texts without knowing the steps required to compose Hiragana characters.

The update also brings in several significant changes and improvements. Microsoft has updated the notification that used to display “We need to fix your account (most likely your password changed) to be more representative. The notification has been updated to display “Select here to sign in to your account to continue using apps between this device and your other devices.”

The update has resolved an issue that causes some USB attached printers to no longer work after upgrading to Build 21354 or higher. The theme-aware splash screens are introduced back in this build. The update has resolved an explorer.exe crash that impacts Windows Insiders in the last few builds.

Microsoft has resolved an issue resulting in the About page in Settings appearing blank sometimes. The update also resolved an issue resulting in the About page in Settings that appears blank sometimes. The update has resolved an issue where the “Manage Disks and Volumes” page in Settings was incorrectly displaying HDDs as SSDs.

Anand Narayanaswamy is the editor-in-chief of Netans. He was recognized as a Microsoft Most Valuable Professional (MVP) for 9 years (2002 to 2011) and again as a Microsoft MVP in Surface under Windows and Devices in January 2024. He worked as a Chief Technical Editor with ASPAlliance and was part of ASPInsider program. Anand has published several articles and reviews related to various software and hardware products for various software and technology related websites. He is also active on social media and also participates as an Influencer for various brands. Anand can be reached at